The Genie 28770S.S is a genuine OEM sprocket bracket designed specifically for Genie belt drive garage door openers installed on 10-to-12-foot residential garage doors. The bracket mounts at the rail head near the powerhead and retains the sprocket that the motor drives to move the belt and operate the door. Using the correct bracket for the appropriate door height is essential - the 28770S.S is only suitable for 10-12 ft belt drive systems. The companion part for 7-to-8-foot belt drive doors is GE-28770R.S. This part is stocked as a service replacement for Genie Stealth Generation belt drive openers on 10-12 ft door applications where the original bracket has worn or failed.
A: The S suffix in 28770S.S designates the 10-12 ft door height range. The companion part 28770R.S covers 7-8 ft belt drive doors.
A: Yes, the 28770S.S is listed as a discontinued service part but remains available for purchase as a replacement component for supported openers.
A: This bracket is compatible with Genie Stealth Generation belt drive openers configured for 10-12 ft garage doors.
A: No. This bracket is designed specifically for belt drive systems with 10-12 ft doors. For 7-8 ft belt drive doors, use GE-28770R.S.
A: Remove the old bracket from the rail head, noting its orientation and mounting points. Install the new 28770S.S in the same position, ensuring the sprocket seats correctly before reconnecting the belt.
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